P1524 – Swirl Control Valve Solenoid Circuit (Nissan)

Description

The ECM detected a malfunction in the swirl control valve solenoid circuit.

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Symptoms

  • Rough idle
  • Poor acceleration

Causes

  • Solenoid failure
  • Wiring issue
  • Vacuum leak

Diagnosis

  • Test solenoid
  • Inspect wiring
  • Scan SCV data

Repair

  • Replace solenoid
  • Repair wiring